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What is an ecosystem?
An area's physical features as well as living organisms.
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What is a food chain?
A linkage of feeding relationshis of organisms in their environments
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What is a food web?
Food chains arranged in trophic levels (levels indicating feeding relationships)
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What do carnivores eat?
meat
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What do omnivores eat?
plants and animals
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What do herbivores eat?
plants
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What do decomposers eat?
dead animals and plants
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What are consumers?
organisms that eat other organisms (heterotrophs)
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What is a producer?
An organism that makes its own food from the sun (autotrophs)
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What are some negative impacts that humans have on the environment?
- 1. air pollution (smog, acid rain, greenhouse effect, holes in the ozone layer)
- 2. water pollution
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